Wednesday, July 8, 2026

Patent intelligence · US

US 11999971

Stem cell derived islet differentiation

granted A61KA61K2035/126A61K35/39A61P
Status granted
Linked drugs 2
Pipeline programs 6
Years to expiry 18
Applicant portfolio 991
Patent details — US 11999971
Jurisdiction
US
Status
granted
Grant date
Jun 4, 2024
Expiration
May 30, 2044
Claims
20
CPC classes
A61K, A61K2035/126, A61K35/39, A61P
View on Google Patents ↗

Quick answer

US 11999971 (Stem cell derived islet differentiation) is held by Vertex Pharmaceuticals Incorporated. Status: granted. Granted Jun 4, 2024. Expires May 30, 2044 (18 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
20
CPC classes
A61K, A61K2035/126, A61K35/39, A61P, A61P5/50

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Frequently asked questions

What is US patent 11999971?

US 11999971 (Stem cell derived islet differentiation) is held by Vertex Pharmaceuticals Incorporated. Status: granted. Granted Jun 4, 2024. Expires May 30, 2044 (18 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 11999971?

Vertex Pharmaceuticals Incorporated is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 991 pharmaceutical patents for this assignee.

When does US 11999971 expire?

Our index shows an expiration date of May 30, 2044 (18 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.